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57127237434 = 23226437120049
BaseRepresentation
bin110101001101000011…
…000111011100111010
312110110021222100100200
4311031003013130322
51413444033044214
642124402543030
74061444335431
oct651503073472
9173407870320
1057127237434
1122255922023
12b0a3967a76
135505534b97
142a9d12c118
151745443d09
hexd4d0c773a

57127237434 has 24 divisors (see below), whose sum is σ = 123781394100. Its totient is φ = 19041533568.

The previous prime is 57127237421. The next prime is 57127237477. The reversal of 57127237434 is 43473272175.

57127237434 is a `hidden beast` number, since 5 + 7 + 1 + 272 + 374 + 3 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 44840180025 + 12287057409 = 211755^2 + 110847^2 .

It is a super-2 number, since 2×571272374342 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57127237434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 415842 + ... + 535890.

Almost surely, 257127237434 is an apocalyptic number.

57127237434 is an abundant number, since it is smaller than the sum of its proper divisors (66654156666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57127237434 is a wasteful number, since it uses less digits than its factorization.

57127237434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146494 (or 146491 counting only the distinct ones).

The product of its digits is 987840, while the sum is 45.

The spelling of 57127237434 in words is "fifty-seven billion, one hundred twenty-seven million, two hundred thirty-seven thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 26437 52874 79311 120049 158622 237933 240098 360147 475866 720294 1080441 2160882 3173735413 6347470826 9521206239 19042412478 28563618717 57127237434